Alright, let's work through 72629262 times 72176289 step by step
72629262 × 72176289 = 72176289 × (72629262)
+ 72176289 × 2 which equals 144352578
+ 72176289 × 60 what gives us 4330577340
+ 72176289 × 200 yielding 14435257800
+ 72176289 × 9000 resulting in 649586601000
+ 72176289 × 20000 yielding 1443525780000
+ 72176289 × 600000 that results in 43305773400000
+ 72176289 × 2000000 yielding 144352578000000
+ 72176289 × 70000000 yielding 5052340230000000

= 5242110603968718
